Computing attachment for pumps.



No. 667,452 Patented Fab. 5, 190i.

L. NIELSEN. COMPUTING ATTACHMENT FOR PUMPS.

(Application filed Sept. 8, 1900.)

(No M odall) WITNESSES IN VENTOR Attarneyy,

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UNITED STATES PATENT OFFICE.

LEO NIELSEN, OF LOGAN, UTAH, ASSIGNOR TO JOHN A. HENDRIOKSON, OF SAMEPLACE.

COMPUTING ATTACHMENT FOR PUMPS.

SPECIFICATION forming part of Letters Patent No. 667,452, dated February5, 1901. Application fileds'eptember 8, 1900. Serial No. 29,374. (Nomodel.)

To aZZ whom it may concern:

Be it known that I, LEO NIELSEN, a citizen of the United States,residing at Logan, in the county of Cache and State of Utah, haveinvented certain new and useful Improvements in Computing Attachmentsfor Oil-Dispensing Pumps; and I do hereby declare the following to be afull, clear, and exact description of the invention, such as will enableoth- IO ers skilled in the art to which it appertains to make and usethe same.

Thisinventionrelatestodispensing-pumps, and particularly to a computingattachment for such pumps.

The invention consists of a novel and peculiar scale-plate fixed to andstanding vertically above the top of the pump and a price strip or bandslidable over the plate and fixed to the top end of the pump-rod, sothat every movement of the pump-rod will be imparted to the price-bandand move it vertically over the face of the plate.

In the accompanying drawings, forming part of this application, Figure 1is a perspective view of the upper portion of a pump with my attachmentapplied thereto. Fig. 2 is a front elevation of the scale-plate. Fig. 3is front elevation of the price strip or band. Fig. 4 is a perspectiveview of the strip or band looking at its rear side. Fig. 5 is a similarView of a modification.

The same numeral references denote the same parts throughout the severalviews of the drawings.

5 The pump-head 1 has the usual dischargenozzle 2, and the pump-rod 3works through the head and has a toothed rack 4, engaged by a suitablepinion operated by a crankhandle 5, to operate said rod in apump-cylinder below the floor 6. To the top of the head 1 is secured theflange 7 of the computing scale-plate 8, (hereinafter to be more fullydescribed,) so that the latter will stand vertically from the head infront of the pumprod. The price strip or band 9 (described in detaillater) is arranged to encompass the scale-plate and is carried by thetop end of the pump-rod.

The price computing and measuring device consists of the solid orimperforate plate 8,

(preferably of sheet metal with white enamel front face,) having acolumn 10, which indicates gallons, quarts, and pints, an adjacentcolumn 11 indicating gills,and a series of verti cal lines 12, whichdivide the face into a series of equal spaces, each space being equallydivided by horizontal lines 13, which form gages for the band 8 to workto. The lines 12 and 13 form a series of intervals 14:, each of which isoccupied by numerals, which indicate the price per gallon and fractionthereof and the quantity pumped when the top edge of the price-band 8reaches the mark in either of the said columns desired, the wholesurface of the plate being uninterruptedly occupied, as above noted.Said device is completed by the band 9, preferably of the same materialand finish as the plate, and is bent to encompass the plate, the endsthereof being secured together, and upon its rear side is formed asleeve 15 to fit the top end of the pump-rod, where it is secured by aset-screw 16. The front of the band is provided with a series of lines17, which register at all times with the lines 12, and in the spacebetween the lines 17 are numerals indicating the price from five centsto one dollar.

Referring to Fig. 5, the price-band 9 has overlapping curved ends 18,forming a sleeve 15 by means of which and a set-screw 16 the band isattached to the pump-rod.

It is obvious that the price-band is pumped to the mark in the columnsto dispense the quantity of liquid desired, and the price of saidquantity is indicated by the numeral first above the figure on theprice-band at which the liquid is selling per gallon. For example, ifoil is selling at forty cents per gallon and a purchaser wants fivegills the first numeral above the 10 on the band will be '7 after theband has been moved up to the fivegill mark in the column by pumping outfive gills, the price of the latter therefore being seven cents.

In attaching the device to a pump the plate 5 is easily secured throughits flange by suitable screws or rivets to the pump-head, the price-bandreadily slipped over the top of the plate, and the sleeve over the topend of the pump-rod, or the modified band may be bent I00 around theplate and its curved ends lapped over the pump-rod. In either case thesaid rod is in the rear of the plate and band, so over the plate, andthe sleeve on the band in that there is no obstruction of the View ofthe the rear of the said plate adapted to engage numerals. a pump-rod toimpart the motion of the rod Having thus described my invention, what tothe band. 15 5 I claim as new, and desire to secure by Letters Intestimony whereof I affix my signature Patent, is-- in presence of twowitnesses.

The combination, with the plate having a flange adapted to be secured toa pump, and LEO NIELSEN provided with uninterrupted graduation-Witnesses: IO marks, of the strip or band surrounding the E. R. NEEDHAM,

plate and having price marks and slidable J OS. SEPH BENCH.

